Finding the Fourth Proportional to 254,945.80, 382,340.30 and 84,135.88
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Solution
The fourth proportional to 254,945.80, 382,340.30 and 84,135.88 is: 126,177.95
Step by Step Solution
- Step 1: Write the proportion equation
254,945.80 : 382,340.30 = 84,135.88 : x - Step 2: Convert to fraction form
254,945.80/382,340.30 = 84,135.88/x - Step 3: Cross multiply
254,945.80x = 382,340.30 × 84,135.88 - Step 4: Simplify right side
254,945.80x = 32,168,537,599.96 - Step 5: Solve for x
x = 32,168,537,599.96/254,945.80 - Step 6: Final answer
x = 126,177.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.